<template>
  <div class="singer">
    <ul class="singer-header" >
      <li v-for="(item,index) in singerStyle" :ket="index" @click="handleChangeView(item)">
        {{item.name}}
      </li>
    </ul>
    <div>
      <content-list :contentList="data"></content-list>
      <div class="pagination">
        <el-pagination @current-change="handleCurrentChange" background layout="total,prev,pager,next"
                       :current-page="currentPage" :page-size="pageSize" :total="albumDatas.length"></el-pagination>
      </div>
    </div>
  </div>
</template>
<script>
  import ContentList from "../components/ContentLst";
  import {getAllSinger, getSingerOfSex} from "@/api"
  import {mixin} from "@/mixins";
  import {singerStyle} from "@/assets/data/singer";

  export default {
    name: 'singer',
    mixins: [mixin],
    components: {ContentList},
    data(){
      return {
        albumDatas: [],     //歌手数据
        pageSize: 15,       //页面大小，一页有15条数据
        currentPage: 1,     //当前页，默认第一页
        singerStyle: [],       //歌曲风格
        activeName: '全部歌手'
      }
    },
    computed: {
      //计算当前表格中的数据
      data(){
        return this.albumDatas.slice((this.currentPage-1)*this.pageSize,this.currentPage*this.pageSize)
      }
    },
    mounted() {
      this.singerStyle = singerStyle
      this.getSingerList()
    },
    methods: {
      getSingerList(){
        getAllSinger(this.$route.query.keywords).then(res => {
          if(res){
            this.currentPage = 1
            this.albumDatas = res
          }
        })
      },
      //获取当前页
      handleCurrentChange(val){
        this.currentPage = val
      },
      //根据类型显示对应的歌手
      handleChangeView(item){
        this.activeName = item.name
        this.albumDatas = []
        if(item.name == '全部歌手'){
          this.getSingerList()
        }else{
          this.getSingerOfSex(item.type)
        }
      },
      //根据style查询对应的歌单
      getSingerOfSex(sex){
        getSingerOfSex(sex).then(res => {
          this.currentPage = 1
          this.albumDatas = res
        })
      }
    }
  }
</script>
<style lang="scss" scoped>
  @import "../assets/css/singer.scss";
</style>
